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Security report for mestojablonec.cz

Magistrát města Jablonec nad Nisou · Government · Czech Republic

Medium risk. 6 critical or high findings in GDPR outside view and Security headers.

Security score

71/100

Risk levelMedium

0–100, higher is better. How it is calculated

The website mestojablonec.cz serves as the official online portal for the city government of Jablonec nad Nisou, Czech Republic. It provides residents and visitors with access to municipal news, event calendars, public service information, and administrative resources. The site is well-branded with consistent official imagery and offers multilingual support for broader accessibility. The business model is that of a government entity focused on public service delivery and citizen engagement. From a technical perspective, the site employs a modern technology stack including jQuery, Google Analytics, Google Tag Manager, and Smartlook for user behavior analysis. It is built on the Public4u CMS platform, which supports responsive design and basic accessibility features. The site uses HTTPS and includes cookie consent mechanisms, indicating a reasonable level of digital maturity and privacy awareness. Security posture is solid with HTTPS enforcement and no visible vulnerabilities or exposed sensitive data. However, some security headers are not explicitly detected, and there is no published security or incident response policy, which could be improved. Privacy compliance is good, with clear privacy and cookie policies aligned with GDPR requirements. Overall, the website is trustworthy and professional, serving its purpose as a municipal government portal effectively. The lack of WHOIS data is a limitation in verifying domain registration legitimacy but does not detract from the site's apparent authenticity and operational quality.

Scanned

This is an earlier scan of mestojablonec.cz. View the latest report

NIS2 and GDPR posture

GDPR outside view
25/ 100 · Critical
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

6 findings rated critical or high. Fix these first.

  1. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  2. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

Need hands-on remediation? Email guard@offseq.com

Keep watching mestojablonec.cz

This scan found 18 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

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  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
90
Security headers
40
Email security
85
DNS health
85
Network security
100
GDPR outside view
25
Average
71

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

The city government of Jablonec nad Nisou positions itself as a key public service provider within the Czech Republic, targeting local residents and visitors. Its competitive advantage lies in comprehensive digital access to municipal services and transparent communication channels. The business model is non-commercial, focusing on governance, community engagement, and information dissemination. Revenue streams are typical of government entities, funded by public budgets. The partnership ecosystem includes local cultural events and tourism sites, enhancing community involvement. Growth indicators include active event promotion and participatory budgeting initiatives. Strategic observations suggest continued investment in digital services and multilingual support to broaden reach and improve citizen satisfaction.

Security posture

The website demonstrates a moderate to strong security maturity level with HTTPS enforced and use of secure forms. No critical vulnerabilities or exposed sensitive data were detected. Privacy compliance is evident through cookie consent and privacy policies. However, the absence of explicit security policies, incident response contacts, and vulnerability disclosure mechanisms indicates room for improvement. The site uses third-party analytics and tracking tools responsibly with user consent. Overall, the security culture appears adequate for a government site but would benefit from formalized security documentation and enhanced HTTP security headers.

Recommendations

  1. Implement comprehensive HTTP security headers including HSTS, X-Content-Type-Options, and X-Frame-Options to strengthen browser security.
  2. Publish a clear security policy and incident response plan accessible to users to improve transparency and preparedness.
  3. Add a vulnerability disclosure policy or security.txt file to encourage responsible reporting of security issues.
  4. Enhance accessibility features to meet higher standards and improve usability for all users.
  5. Regularly audit and update third-party libraries and tracking tools to mitigate potential vulnerabilities.

Contact details published on the site

Addresses
Legal name
Magistrát města Jablonec nad Nisou
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Magistrát města Jablonec nad Nisou
Description
Official municipal website providing information and services related to the city of Jablonec nad Nisou, including city governance, public services, events, news, and citizen resources.
Key services
Municipal news and updates, Event calendar, Public service information, Contact and administrative services, Online forms and reservations
Content quality
good
Branding
consistent

Technology

Stack
jQuery, jQuery UI, Google Analytics, Google Tag Manager, Smartlook
Frameworks
Public4u CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of consent mechanism for cookies
  • Secure forms with POST method

Analytics and tracking

Services
Google Analytics, Smartlook
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Smartlook
Marketing tools
Smartlook
Transparency
basic

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
high

Key observations

  1. Official municipal website for Jablonec nad Nisou city government.
  2. Content is in Czech with multilingual support (EN, DE, PL).
  3. Includes news, events, official notices, and citizen services.
  4. Uses HTTPS and modern tracking/analytics tools with cookie consent.
  5. No WHOIS data available, which is unusual but site appears legitimate.
  6. No explicit security or incident response policies published.
  7. No terms of service page detected.
  8. Contact information is comprehensive and clearly presented.
  9. No adult or questionable content detected.
  10. Site uses Public4u CMS platform.
Technical notes

Notes

The website is built on the Public4u CMS platform and utilizes common JavaScript libraries such as jQuery and jQuery UI. It integrates Google Analytics and Smartlook for analytics and user session recording. The site is mobile-optimized with responsive CSS and includes multilingual support. Performance is moderate, with asynchronous loading of analytics scripts. There is no evidence of advanced frameworks like React or Angular. The technical infrastructure is stable but could benefit from performance optimization and enhanced accessibility compliance. Hosting provider details are not disclosed. Overall, the technical implementation supports the site's functional and informational goals effectively.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

Earlier scans of this domain

  1. 70/100Medium27 findingsView report
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